Module 3 Journey to space2—外研版八年级英语下册课件(共22张PPT)

Module 3 I’ve just made a model spaceship. Astronauts have already been to the moon. Has it arrived yet? We have not found life on any other planets yet. Presentation * 现在完成时用在什么地方呢？ 1. “某人曾经做过某事”, “某人已经做了某事” 2. 当表示动作已经完成并对现在有一定的影响时 * Grammar * 肯定：主+have / has + 动词过去分词 否定：主+haven't / hasn't + 动词过去分词 一般疑问句：Have / has +主+ 动词过去分词？ 回答：Yes, 主+have/has. /No, 主+haven't/hasn't. 现在完成时的基本结构 have been to , have gone to，have been in 1. have/has been to意为“曾经去过某地”，表示人现在已经不在那里了。可与just, ever, never等连用。例如： I’ve just been to the post office. 我刚刚去过邮局了。 Have you ever been to Hangzhou? 你曾经去过杭州吗？ Mary has never been to the Great Wall. 玛丽从未去过长城。 * have/has been to 后面可接次数，表示去过某地几次。 I’ve been to Beijing three times. 我去过北京三次。 They have been to that village several times. 他们已经去过那个村庄好几次了。 * 2. have /has gone to 意为“到某地去了”，表示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一、第二人称代词作句子的主语。例如： — Where is Tom? 汤姆在哪里？ — He has gone to the bookshop. 他到书店去了。 * 3. have /has gone in 意为“待在”，表示在某地待了多久，常和表示持续意义的